Polyblastia ardesiaca (Bagl. & Carestia) Zschacke
Syn.: Polyblastia sprucei (Anzi) Arnold, Sagedia sprucei Anzi, Thelidium ardesiacum Bagl. & Carestia
Lichenised.
Substrate: calciferous rocks, , ,
Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) to the alpine belt (potential vegetation: treeless Alpine grasslands and tundras, to the lower limit of perennial snow and the equilibrium line of glaciers)
Note: a calcicolous species found on periodically submerged rocks in mountain creeks, usually near or above treeline.
Austria: Tirol; Salzburg; Kärnten; Niederösterreich (incl. Wien); Switzerland: Bern; Ticino; France: Haute-Alpes; Alpes-Maritimes; Savoie; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte;
